RSSOwl is a free RSS and RDF newsreader written in Java using SWT as graphic library. RSS ("Really Simple Syndication" or "Rich Site Summary") is a document specification that gives users the power to collect and organize Web-based news and information in a more efficient manner. Applications that collect data from RSS-compliant sites are called RSS readers or "aggregators". It is such an application. It lets you gather, organize, update, and store information from any compliant source in a convenient, easy to use interface, save selected information in various formats for offline viewing and sharing, and much more.
RSSOwl has the following other editions available: RSSOwl for Mac OS X and RSSOwl for Linux.